Some of this data is obviously trash: https://radar.cloudflare.com/year-in-review/2025#api-client-...
There is no way that go is beating python for api client language popularity. Are they just measuring the fact that net/http has a default user agent?
They can detect golang pretty reliably by fingerprinting the requests they handle (ie. TLS handshake) unless the app developer has taken some explicit measures to counter it.